Here’s a little tip for anyone with an Oil Watchman tank guage. If your batteries run out, you don’t need to spend £30 or so replacing it. You can open the tube and replace the four AAA cells that are inside, it’s a simple five minute job.
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Here’s a little tip for anyone with an Oil Watchman tank guage. If your batteries run out, you don’t need to spend £30 or so replacing it. You can open the tube and replace the four AAA cells that are inside, it’s a simple five minute job.